b. The research focus may change as the reader begin to delve into the topic.
<span>A. Make arguments that are easy to refute
It's important to understand the opposite side to your argument, but your counterclaim should be easily refuted by the rest of your argument, typically within the same paragraph. This shows that you've done your research on both sides, but still your side is much more strongly supported.</span>
The answer is Some villagers became Christian and others did not, so the villagers were no longer unified by long-established customs. because not everyone wanted to adapt another religion and different cultures and this caused problems between the villagers.
The answer is B. I'm 98% sure.